Why didn't js's currentStyle work?

< / html >-sharp-sharp-sharp Why didn"t js"s currentStyle work?

related codes

/ / Please paste the code text below (do not replace the code with pictures)

< html lang= "en" >
< head >

<meta charset="UTF-8">
<title>Title</title>
<style>
    div{width: 100px;height: 50px;background: yellow;margin: 10px;}
</style>
<script>

    window.onload=function () {
        var oDiv1 = document.getElementById("div1")
        var oDiv2 = document.getElementById("div2")

        oDiv1.onmouseover=function () {
            startMove(this,"width",400);
        }
        oDiv1.onmouseout=function () {
            startMove(this,"width",200);
        }

        oDiv2.onmouseover=function () {
            startMove(this,"height",200);
        }
        oDiv2.onmouseout=function () {
            startMove(this,"height",50);
        }

    }

    function getStyle(obj,name){
        if (obj.currentStyle) {
            return obj.currentStyle[name];
        }
       else {
            return getComputedStyle(obj,false)[name];
        }
    }

    function startMove(obj,hh,iTarget) {
        clearInterval(obj.timer);
        obj.timer=setInterval(function () {
            var speed=(iTarget-parseInt(getStyle(obj.hh)))/6;
            speed=speed>0?Math.ceil(speed):Math.floor(speed);

            if (parseInt(getStyle(obj.hh))==iTarget) {
                clearInterval(obj.timer)
            }
            else {
               obj.style[hh]=parseInt(getStyle(obj.hh))+speed+"px";

            }
        },300)
    }
</script>

< / head >
< body >
< div id= "div1" > < / div >
< div id= "div2" > < / div >

< / body >

how does the currentStyle of this say that it is undefined? Thank you for your guidance?

May.23,2022

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MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b38957-41167.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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